protogalaxy
- noun
- /ˌproʊtəˈɡæləksi/
- Specialized
:
protogalaxia
- Astronomers believe F10214 is a galaxy in the process of forming, a so-called "protogalaxy," powered by emission from many hot, young stars.
Examples
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The Hubble Telescope captured images of a distant protogalaxy, revealing details about its gas and dust composition.
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Since it's been about 13.7 billion years since the Big Bang, that means this protogalaxy is seen as it was only
Blog text (11) -
This is exactly what one expects in a protogalaxy: a large amount of mostly gaseous material collapsing to form a galaxy.
Academic text (1992) -
"Many people are looking for protogalaxies at high redshifts in the distant universe," Impey said.
Academic text (1994) -
It is hard to envision a single formation event, which, out of a gaseous protogalaxy, would produce stars orbiting in two opposite directions.
Academic text (1993) -
Astronomers have discovered a new protogalaxy that is beginning to evolve into a fully formed galaxy.
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Studying the formation of a protogalaxy helps scientists understand how galaxies like the Milky Way came into existence.
How Developed
- Specialized
525
4.1
- Archaic
1
8.1
- Specialized
- Specialized
Surface Forms
Morphology
Etymology
The word protogalaxy comes from proto- meaning 'first' and galaxy, the word in 'Milky Way' that comes from a root meaning 'milk'. So a protogalaxy is the early, 'first' form of a galaxy, a cloud that will grow into a full galaxy.